X86 64 instruction set

x86-64 Guide. Doeppner. 3.2 Arithmetic Operations. Unless otherwise specified, all arithmetic operation instructions have one suffix. 3.2.1 Unary Operations. fileslib. x86 is the name of a whole family of so-called instruction set architectures (ISA for short). The ISA defines the available instructions of a x86 and amd64 instruction reference. Derived from the April 2022 version of the Intel® 64 and IA-32 Architectures Software Developer's Manual. SUB — Subtract Add SETcc — Set Byte on Condition MOV — Move
What is x86 vs x86_64? x86 is a 32 bit instruction set, x86_64 is a 64 bit instruction set the difference is simple architecture. in case of windows os you better use the x86/32bit version for compatibility issues. in case of Linux you will not be able to use a 64 bit s/w if the os does not have the long mode flag.
x86-64 (also known as x64, x86_64, AMD64, and Intel 64) is a 64-bit version of the x86 instruction set, first released in 1999 . It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.